Nucon Technologies Private Limited manufactures Polycrystalline Diamond End Mills. Nucon Technologies Private Limited is the manufacturer of drilling boring equipment and surface finishing machines. Polycrystalline Diamond - PCD End Mills is available in small types of minimum diameter of 3mm. Polycrystalline Diamond - PCD End Mills has also been available in general-purpose types. This PCD end mill has the feature of high setting / feed per tooth. It is also available in high volume machining types.